HighWeatherActiveNWS Denver
Red Flag Warning
Grand County · Started Aug 4, 2026 at 12:20 PM · Updated 51m ago
Grand Countyarea
Aug 4, 2026, 12:20 PMeffective
Aug 4, 2026, 7:30 PMexpires
NWS Denversource
Warned area as issued by the National Weather Service
Full advisory
The National Weather Service in Denver CO has issued a Red Flag Warning in effect from noon to 7 PM MDT Wednesday.
AFFECTED AREA
Fire Weather Zones 211 and 213.
TIMING
For the first Red Flag Warning, until 7 PM MDT this evening. For the second Red Flag Warning, from noon to 7 PM MDT Wednesday.
WINDS
For the first Red Flag Warning, west 10 to 15 mph with gusts up to 35 mph. For the second Red Flag Warning, west 10 to 20 mph with gusts up to 35 mph.
RELATIVE HUMIDITY
For the first Red Flag Warning, between 11 to 17 percent. For the second Red Flag Warning, between 7 to 15 percent.
IMPACTS
Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.